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Spank Split Stem 43mm Clamp 31.8mm +/-0 Rise Black Aluminum - High-Performance Mountain Bike Stem for Trail and Enduro Riders
Upgrade your mountain biking cockpit with the Spank Split Stem, engineered for durability, precision, and performance. Crafted from premium 6-series CNC-machined alloy, this ultra-lightweight stem is designed specifically for trail, enduro, and all-mountain riding, providing rider-centric adjustability and superior strength.
Materials & Engineering
Constructed from high-grade 6-series aluminum alloy, the Spank Split Stem features a 3D forged CNC-optimized body and a 2D forged faceplate, ensuring a perfect balance of weight savings and structural integrity. Its shotpeen anodized surface treatment enhances fatigue resistance, surface durability, and longevity, making it ideal for demanding off-road adventures.
Performance & Components
Designed with innovative human factor engineering, this stem includes an intuitive cockpit setup index that allows precise tuning of upsweep and backsweep angles, fitting a wide range of rider preferences. The chamfered bar clamp reduces stress risers, increasing the fatigue life of your handlebars, while the true zero-degree rise combined with ultra-short stack height ensures a planted, responsive feel. The stem is compatible with 31.8mm handlebars and is available in four lengths: 33mm, 38mm, 43mm, and 48mm for customized fit and handling characteristics.
Style & Use Case
With a sleek black anodized finish, the Spank Split Stem offers a modern, aggressive aesthetic suited for serious mountain bikers. Its versatile design is recommended for 5, all-mountain, enduro, trail, freeride, and E-bike applications. Whether tackling technical descents or smooth climbs, this stem provides the stability and confidence needed for aggressive riding styles.
Innovative Features
- Human Factor cockpit setup index for easy tuning of upsweep and backsweep
- Ultra-short stack height and true zero-degree rise for precise control
- Chamfered bar clamp reduces stress risers to extend handlebar life
- Forged, CNC-machined 2-piece faceplate minimizes weight without sacrificing stiffness
- Shotpeen anodized surface enhances fatigue resistance and durability
Specifications
- Material: 6-Series Alloy, CNC Forged
- Length Options: 33mm, 38mm, 43mm, 48mm
- Handlebar Diameter: 31.8mm
- Clamp Diameter (S.H.I.S.): 28.6mm
- Rise: 0
- Stack Height: 34mm
- Weight: from 133g (33mm) to 143g (48mm)
- Finish: Black anodized
Elevate your mountain biking experience with the Spank Split Stem - engineered for high performance, comfort, and durability on the toughest trails. Optimize your cockpit setup and ride with confidence every time.
| Item Specifications | |
|---|---|
| Stem Angle (deg) | 0 |
| Length | 43 |
| Bar Clamp Diameter (mm) | 31.8 |
| Color | Black |
| Material | Alloy |
| Defined Color | Black |
| S.H.I.S. Stem Clamp Diameter | 28.6 |
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
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365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.